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Finding the Fourth Proportional to 241,781.20, 332,911.56 and 201,000.40

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Solution

The fourth proportional to 241,781.20, 332,911.56 and 201,000.40 is: 276,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,781.20 : 332,911.56 = 201,000.40 : x
  2. Step 2: Convert to fraction form
    241,781.20/332,911.56 = 201,000.40/x
  3. Step 3: Cross multiply
    241,781.20x = 332,911.56 × 201,000.40
  4. Step 4: Simplify right side
    241,781.20x = 66,915,356,724.62
  5. Step 5: Solve for x
    x = 66,915,356,724.62/241,781.20
  6. Step 6: Final answer
    x = 276,759.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.